Barbecue lighter



FIG. 1 is a front view of a barbecue lighter showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right end view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left end view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a barbecue lighter, as shown. 